HBW023 (recombinant hirudin) for the acceleration of thrombolysis and prevention of coronary reocclusion in acute myocardial infarction: results of a dose finding study (HIT-2) by the Arbeitsgemeinschaft Leitender Kardiologischer Krankenhausaerzte - Von Essen,R.; Zeymer,U.; Tebbe,U. (Coron Artery Dis, 1998)